From: Eric Dumazet <eduma...@google.com> Date: Wed, 13 Apr 2016 22:05:38 -0700
> In the first patch, I remove the costly association of SYNACK+COOKIES > to a listener. I believe other parts of the stack should be ready. > > The second patch removes a useless write into listener socket > in tcp_rcv_state_process(), incurring false sharing in > tcp_conn_request() > > Performance under SYNFLOOD goes from 3.2 Mpps to 6 Mpps. Geese, you almost make it look too easy.... > Test was using a single TCP listener, on a host with 8 RX queues > on the NIC, and 24 cores (48 ht) Looks good, series applied, thanks Eric.
